What powers d4dr.jp?
Last seen Jun 2026 · 29 technologies across 16 categories
Analytics
CDN
Cloudflare
since Nov 2021
jsDelivr
since Jul 2025
CMS
Databases
MySQL
since Feb 2020
Sendgrid
since Sep 2025
Font scripts
Font Awesome
since Jul 2021
Google Font API
since Nov 2022
JavaScript libraries
Marketing automation
HubSpot
since Nov 2020
Miscellaneous
Open Graph
since Sep 2022
Performance
LazySizes
since Feb 2022
Priority Hints
since Aug 2025
Programming languages
PHP
since Feb 2020
Security
Cloudflare Bot Management
since Nov 2021
Tag managers
Google Tag Manager
since Feb 2020
Web servers
Nginx
since Feb 2020
WordPress plugins
EWWW Image Optimizer
since Sep 2025
WordPress themes
WordPress Default
since Feb 2022
Audience
- 71% desktop
- 29% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.03 / 10 · ranked #547,105 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 3200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.0 MB · 125 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Contact Form 7 Oct 2025
- dropped reCAPTCHA Oct 2025
- detected EWWW Image Optimizer Sep 2025
- detected Sendgrid Sep 2025
- detected Priority Hints Aug 2025
- dropped WordPress Block Editor Aug 2025